Question

2. 10 Points Match the terms in Column B with Column A (1 mark each = 12) NOT ALL of COLUMN B IS MATCHED with COLUMN A MATCHING COLUMN A COLUMN B NUMBER a. {100} 1. Family of directions b. Cu on Ni lattice site 2. Family of planes C. Stacking sequence of FCC 3. Energy required for fracture d. Electron sharing 4. АВСАВСАВС e. Carbon in iron 5. Covalent bonding f. Microscope with atomic resolution 6. Above 0.4Tm g. Interfacial defect 7. Interstitial impurity h. 3D Collection of point defects 8. Substitutional impurity i. Creep damage 9. A plane j. Toughness 10. A direction 11.TEM 12. SEM 13. Screw dislocation 14. Grain boundary 15. Void 16. lonic bonding 17. ABABAB 18. Variable stresses

Answer 1

Solution :

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b.) cu on i caeplacement autic # Solution i a) {100} - 2) Family of planes. as curly bracket in Miller Indites veefer to a set of planes relaxed by symretty b. Cu on Ni lattice site - 8) Substitutional Impurity This means aeplecement of the bulk atoms in the lattice tire as bus neploung Ni' landic site is related with Substitutional Impunity. c.) Stacking sequence of Fcc 4) ABC ABC ABC as The Fcc structure contains three types of plane with a ABC ADS arrangement, while that for HCP centains two types of planes cuithan alternatting ABAB arrangement. 5-) Elecrom sharing + 5) covalent bonding as in covalent bonding the sharing of electom pairs beween the atoms takes place, and these eleeton pairs are known as stused pairs or bonding pairs.

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